371925
domain: N
Appears in sequences
- Odd admirable numbers: such that sigma(n) = 2n + 2d for some d | n.at n=26A109729
- Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=22A207596
- a(1) = 1; a(n+1) = Sum_{k=1..n} lcm(a(k),a(n))/a(n).at n=34A287006
- Numbers that have exactly 8 representations as a k-gonal number, P(m,k) = m*((k-2)*m - (k-4))/2, k and m >= 3.at n=20A321158
- Odd numbers k that are closer to being perfect than previous terms and also satisfy the condition that A324644(k)/A324198(k) = 2.at n=10A386422
- Nondeficient numbers k for which A324644(k)/A324198(k) = 2.at n=13A387165